Уростить -3×(0,2х+0,4у)+(1,6х+2,8у)×2

Question

Уростить -3×(0,2х+0,4у)+(1,6х+2,8у)×2

Answer 1

-0.6x-1.2y+3.2x+5.6y=2.6x+4.4y
Ответ:2.6x+4.4y

Answer 2

-0,6x-1,2y+3,2x+5,6y=4,4y+2,6x